diff --git a/admin/tool/mfa/styles.css b/admin/tool/mfa/styles.css
index 2a376f12b12..47296d2a2f6 100644
--- a/admin/tool/mfa/styles.css
+++ b/admin/tool/mfa/styles.css
@@ -38,3 +38,8 @@ input.tool-mfa-verification-code,
 .mfa-verify-form .form-group.fitem > span > input {
     width: 100%;
 }
+
+#mfalist .icon-circle .icon {
+    width: 64px;
+    height: 64px;
+}
diff --git a/theme/boost/scss/moodle/icons.scss b/theme/boost/scss/moodle/icons.scss
index 5c11b798791..3ef7f392e45 100644
--- a/theme/boost/scss/moodle/icons.scss
+++ b/theme/boost/scss/moodle/icons.scss
@@ -266,6 +266,8 @@ img.icon {
     .icon {
         margin: 0;
         text-align: center;
+        width: unset;
+        height: unset;
         max-width: unset;
         max-height: unset;
         color: $black;
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index bfb395ee42a..29cde5cf5a7 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -28939,6 +28939,8 @@ img.icon {
 .icon-circle .icon {
   margin: 0;
   text-align: center;
+  width: unset;
+  height: unset;
   max-width: unset;
   max-height: unset;
   color: #000;
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 23d720ff644..7fdd9a1fd2d 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -28939,6 +28939,8 @@ img.icon {
 .icon-circle .icon {
   margin: 0;
   text-align: center;
+  width: unset;
+  height: unset;
   max-width: unset;
   max-height: unset;
   color: #000;